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Science education for the gifted should be modeled upon the professional scientist's approach to solving problems.  相似文献   
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In oral language, morphologically conditioned regularities around stress assignment can be found in two classes of derivational suffixes, one that causes lexical stress to shift to the syllable immediately preceding the suffix (ACtiveacTIVity) and one that has no effect on stress (SILLySILLiness). In this study, adults listening to spoken “derived” nonwords judged as preferable those wherein the stress placement was consistent with morphological regularities of English. When reading nonwords and a set of nonwords derived from them, readers reliably assigned stress to the syllable predicted by the morphology. This effect was significantly associated with scores on standardized measures of word reading after controlling for nonword reading ability, showing that the relationship was not merely an artifact of decoding skill. These findings support the importance of the interface between morphology and suprasegmental phonology as a key factor in the way English-speaking readers approach multisyllabic, morphologically complex words.  相似文献   
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The ability to effectively problem solve is a highly valued competency expected of university graduates, independent of their area of study. Evaluation of problem-solving skill (PSS) development is hindered by a shortage of available tools for monitoring student progress and by lack of defined instructional strategies for development of these skills. Our research is aimed at addressing these problems. We have developed an evaluation tool, which we applied to study the dynamics of undergraduate student PSS. We tested first- and upper-year students from 26 different courses (total enrollment of 2229 students). Overall improvement of PSS was detected for the first-year students over their first term of study. There were no significant differences between the PSS of first- and upper-year students, and no improvement was detected over a single term by measuring PSS in upper-year students. Only three courses were effective at facilitating PSS. Our data indicate that most of the standard lecture approaches do not develop undergraduate student PSS and that universities and individual instructors must take active steps to advance this critical skill set in university students.  相似文献   
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Objectives

What impact does the strengthening of child rights have on the experience and circumstances of children? CRC General Comment 13 emphasizes that defining measurable targets for improvements in child protection is a key element of efforts to strengthen child rights and well-being across the world. This paper describes an attempt to identify key domains relevant to such mapping of child protection indicators, and the feasibility of collecting data—from existing data sources or otherwise—to complete a “National Child Protection Index Report” summarizing achievements and concerns at a national level.

Methods

A process of inter-agency consultation was facilitated by the CPC Learning Network to establish a template for the Index Report. The template was modeled on that used for the “Countdown to 2015” maternal, neonatal and child health initiative, aiming to capture indices not only of key protection risks but also implementation and coverage of key protection measures. The work drew on indicator development and policy initiatives by a number of international child protection agencies. The template developed was used as a basis to pilot national data collection in Indonesia and, at a sub-national level, in northern Uganda.

Findings

The template provides a concise summary of protection issues of relevance to a broad range of constituencies, global and national. However, in the pilot settings, existing routine data collection was inadequate to effectively populate a large proportion of indicators. Mechanisms of collating findings from discrete assessments—another potential source of data for completion of the index report—were also generally underdeveloped.

Practice implications

In settings where state infrastructure allows the collection and analysis of routine data in such domains as health and economic activity, such efforts should be extended to the child protection sector. Discrete assessments by governmental or non-governmental agencies also provide significant potential for more effective sharing and collation of information. National Child Protection sub-clusters or equivalent structures can play an important role in facilitating both of these processes.  相似文献   
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This study explores narratives about critical moments in mathematics learning written by K-8 pre-service teachers’ (PSTs) in the United States over a 20-year period. These critical moments, such as a single memorable task, course, test, or comment from a teacher, had a powerful and sustained impact on PSTs’ mathematics identities, which they carried with them as they entered the teaching profession. We classified narratives using McCulloch et al. (Sch Sci Math 113(8):380–389, 2013) and Drake’s (J Math Teach Educ 9(6):579–608, 2006) categories and found a potentially new category, Taking the Reins. We also classified PSTs’ mathematics orientations as either relational (oriented toward creative problem solving and conceptual understanding) or instrumental (enacting rote procedures without meaning) (Skemp in Math Teach 77(1):20–26, 1976). Many PSTs identified a causal relationship between their mathematics orientations and narrative arcs: relational learning opportunities encouraged positive narratives, while instrumental learning opportunities either resulted in negative narrative arcs or positive but fragile mathematics identities that crumbled under minor stress. We found little variation over time in the nature and prevalence of the narrative arcs and mathematics orientations, suggesting that any changes in mathematics teaching practices over time were not reflected in students’ learning experiences.

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